Nano grain size cesium tungsten oxide, or nano cesium tungsten bronze, is a heat-shielding material of the performance of absorption of near-infrared radiation so that it may be used to prepare a new type of infrared thermal insulation nano material such as thermal insulation coating. The obtained transparent heat-insulating coating has high transmittance in the visible light range and low transmittance in the near-infrared region. Such coating belongs to the field of thermal insulation coating technology, and can be applied to the field of architectural glass heat insulation.
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As you may have known, in the solar radiation energy, the ultraviolet band is about 5%, the visible light band (400-700nm) is about 43%, and the near-infrared band (700-2500nm) is about 52%. It can be seen that about half of the heat radiation energy in sunlight comes from near-infrared radiation. Ordinary architectural glass does not have the ding of blocking near-infrared. Therefore, it is necessary to spray a layer of heat-insulating coating on the glass to achieve the purpose of shielding the near-infrared rays, that is, to achieve the heat insulation effect. Experts said, in recent years, heat insulation coating of cesium tungsten bronze nanoparticles is a heat insulating material that is expected to replace ATO and ITO coatings. And therefore cesium tungsten bronze nano particles favored by the industry.
